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new testcase for PR1253

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35611 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-04-03 01:45:32 +00:00
parent e51f2a59d9
commit 08a3fbe42e
1 changed files with 19 additions and 0 deletions
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19
test/Transforms/InstCombine/xor2.ll Normal file
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@ -0,0 +1,19 @@
; This test makes sure that these instructions are properly eliminated.
;
; RUN: llvm-as < %s | opt -instcombine -disable-output &&
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep 'xor '
; PR1253
define i1 @test0(i32 %A) {
%B = xor i32 %A, -2147483648
%C = icmp sgt i32 %B, -1
ret i1 %C
}
define i1 @test1(i32 %A) {
%B = xor i32 %A, 12345
%C = icmp slt i32 %B, 0
ret i1 %C
}